package com.ruyuan2020.im.design.ChainOfResponsibilityPattern.domain;

public class Payment {
    public Boolean aBoolean;
    public boolean isAvailable() {
        // 模拟支付方式可用逻辑
        return true;
    }

    public Payment(Boolean aBoolean) {
        this.aBoolean = aBoolean;
    }
}
